Thread 'How to define route if we only know velocity (without having common formulation)?' Good day! I invented the trouble and I try out to unravel it: Enable we only know velocity of going particle: ##v(t)## from ##t=a## to ##t=b##. , or flat. From your Cambridge English Corpus These fed https://gabletoppak.com/sustainability-in-action-gable-top-cartons-to-save-our-oceans/